OneTigris Tactical MOLLE Open-Top Double Stacker Rifle M4 Mag Pouch Constructed of 1000D Nylon for the ultimate in durability Holds two M4 magazines, it accepts M14, SKS mags and 40 round Promags as well Stacker design; Open Top Pockets allow easy access to the mags With MOLLE compatible straps on the back for attachment to tactical vests, bags, backpacks and drop leg platforms Size: 4.5x3.1x2.3 inch; (1.5*8*6cm)